| Business | Phone |
| Napa Custom Chrome Dental Lab 2033 Jefferson St, Napa 94559 | (707) 257-7588 |
| Blackard Dental Laboratory 2033 Big Ranch Rd, Napa 94558 | (707) 226-5478 |
| Burnett Orthodontic Laboratory 2209 Jefferson St, Napa 94559 | (707) 258-0293 |
| Cal Dental Laboratories 2121 Brown St, Napa 94559 | (707) 258-9336 |
| Cortese Dental Lab 3416 Valle Verde Dr, Napa 94558 | (707) 255-4911 |
| Dental Laboratory Svc 2033 Jefferson St, Napa 94559 | (707) 257-2522 |
| Inland Dental Laboratory 1020 Clinton St # 200, Napa 94559 | (707) 251-0612 |
| Napa Valley Dental Laboratory 3150 Beard Rd, Napa 94558 | (707) 226-6664 |
| Natural Ceramics-Dentiform Lab 3929 Bristol Ct, Napa 94558 | (707) 255-7176 |